8+7r+8r=23

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Solution for 8+7r+8r=23 equation: 


Simplifying
8 + 7r + 8r = 23

Combine like terms: 7r + 8r = 15r
8 + 15r = 23

Solving
8 + 15r = 23

Solving for variable 'r'.

Move all terms containing r to the left, all other terms to the right.

Add '-8' to each side of the equation.
8 + -8 + 15r = 23 + -8

Combine like terms: 8 + -8 = 0
0 + 15r = 23 + -8
15r = 23 + -8

Combine like terms: 23 + -8 = 15
15r = 15

Divide each side by '15'.
r = 1

Simplifying
r = 1

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